A problem is given to 3 students A, B an...

A problem is given to 3 students A, B and C whose chances of solving it are `1/2,1/3and1/4` respectively. Then, the probability of the problem being solved by exactly one of them, if all the three try independently, is

`3/4`

`11/24`

`23/24`

`1/4`

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